[Intel-gfx] [PATCH 28/28] drm/i915/dp: add pre-PCH eDP checking to DP detect for VLV

Jesse Barnes jbarnes at virtuousgeek.org
Fri Mar 1 22:14:31 CET 2013


Allows us to detect eDP panels that may not have the hotplug pin wired up.

Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_dp.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 05e1000..c127cb7 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2413,6 +2413,16 @@ g4x_dp_detect(struct intel_dp *intel_dp)
 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
 	uint32_t bit;
 
+	/* Can't disconnect eDP, but you can close the lid... */
+	if (is_edp(intel_dp)) {
+		enum drm_connector_status status;
+
+		status = intel_panel_detect(dev);
+		if (status == connector_status_unknown)
+			status = connector_status_connected;
+		return status;
+	}
+
 	switch (intel_dig_port->port) {
 	case PORT_B:
 		bit = PORTB_HOTPLUG_LIVE_STATUS;
-- 
1.7.9.5




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